Machine for attaching stays to corners of boxes



(No Model.) 4 SheetsSheet 1. M. D. KNOWLTON.

MAGHINE FOR. ATTAGHING STAYS T0 CORNERS 0F BOXES. No. 557,401.

Patented Mar. 31, 1896.

A7TOHNE Y.

AN DREW EGHMQAM. Pnm'o-UTHO. WASHINGTON. DC.

M. D. KNOWLTON. MACHINE FOR ATTAOHING STAYS T0 commas 01-" BOXES.

4 Sheets-Sheet 2.

(No Model.)

Patented Mar. 31, 1896. F397 INVENTOI? W.$.\

.W/TNESSES Q. a (2:...

ATTORNEY.

M. PNOTb-UTHQWASHINGIOEQC.

(No Model.) 4 SheetS-Sheet 3.

v M. D. KNOWLTON.

MACHINE FOR ATTAGHING STAYS T0 CORNERS 0P BOXES.

N0. 57, 1. Patented Mar. 31, 1896.

I fill!!!) m W/T/VESSES: l 4 lNVENTOl? a; B) 6/ 4 W 2 Q k ATTORNEY,

AN DREW BYGRAHAM. PHOTO-LITMQWASNI NGTOPL D C.

(No Model.) 4 SheetsS heet 4.

M. D. KNOWLTON. MACHINE FOR ATTAGHING STAYS T0 CORNERS. 0P BOXES.

Patentd Mar- 31, 1896.

WITNESSES 62, 4% a.

ANDREW B.GRAIIAM. PNU'I'O-UTNQWASNINSTON. 0L.

UNITED STATES PATENT OFFICE.

MARK D. KNO\VLTON, OF ROCHESTER, NEW YORK.

MACHINE FOR ATTACHING STAYS TO CORNERS OF BOXES.

SPECIFICATION-forming .part of Letters Patent No. 557,401, dated March31, 1896. Application filed December 19,1894. Serial No. 532,384. (Nomodel.)

which the following description, taken in connection with the drawingsherewith accompanying, is a specification.

My invention relates to machines for securing the joints in themanufacture of boxes of paper, strawboard, or other similar material,and more particularly to a machine constructed for applying a singlestayor fastening strip of suitable material over the joint, at a pointboth outside and inside of the corner, which is caused to adhere to theparts by paste or other suitable adhesive material.

The invention consists in the construction, arrangement, and combinationof parts forming a machine for applying stay or fastening strips uponbox-corners in the manner above referred to, as will hereinafterbedescribed in detail, and pointed out in the claims.

A machine embodying my invention embraces as its main featuresclamping-dies or means for pressing stay-strips in contact with themargins of the corners orparts to be joined and secured, means forguiding between the clamping-dies and lengthwise over the corner of theinserted box the strip from which the individual stay-strips aresevered, means for severing the individual stay-strips from thecontinuous strip of a length greater than fed forward for location onthe outer corner of the box to form a loose or projecting end beyond theinner edge of the latter, and means directing and carrying such loose orprojectin g portion of the stay-strip beneath or against the innercorners of the box.

The machine herein shown also embraces other further and additionalimprovements than above referred to, all of which willhereinafter bedescribed in detail.

Referring to the accompanying drawings, Figure 1 is a side elevation ofamachiue embodying my invention. Fig. 2 is a front elevation, with theupper reciprocating die and its carrier-slide removed. Fig. 3 is anenlarged vertical section through the center of theclamping-dies andstrip-severing and turn-in devices, with the several connecting andsupporting parts, also showing a part of the strip guiding and feedingdevices, and a box in position to be operated upon with a severedstay-strip over its corner. Fig. 4 is a perspective view of the slidinganvil-block with the several parts supported thereby removed from themachine. Fig. 5 is a longitudinal vertical section through line 5 5 ofFig. at. Fig. 6 is a perspective view of the non-reciprocatin gdie-block removed from the anvil-block. Fig. 7 is a rear elevation ofmovable. die and its carrier-slide removed from the machine. Fig. 8 is aside elevation of the same. Fig. 9 is a plan view of the strip-folder;Fig. 10, a side elevation of the same; Fig. 11, an enlargedcross-section through line 11 11 of Fig. 10; Fig. 12, an enlarged viewof one of the folding-jaws; Fig. 13, a perspective view of thepaste-tank with the paste-roll and scraper supported thereby; Fig. 14,an enlarged vertical section through line 14 14 of the scraper shown inFig. 13; Fig. 15, a rear elevation of stationary cutter and itssupporting-plate; Fig. 16, a side elevation of the same; Fig. 17, anenlarged perspective view of the stationary cutter detached from themachine. Fig. 18 is afront elevation of the movable cutter and tuckerand its carrier-slide removed from the machine. Fig. 19 is a sideelevation of the same. Fig. 20 is an enlarged rear view in perspectiveof the cutter and tucker detached from its carrier-slide. Fig. 21 is anenlarged detail view in perspective of the anvil-block-adjusting device.Fig. 22 is an enlarged perspective view of a link for communicatingmotion from the driving-shaft to the movable die. Fig. 23 is an enlargedperspective view showing a severed stay-strip, the turn-in device, andthe tucker in section in a position about to engage the loose orprojecting end of said stay-strip. Fig. 24 illustrates a severedstay-strip, showing the form its loose end takes when pressed or forcedpartly below the edge of the box by the tucker. Fig. 25 is a sectionalview through line 25 25 of Fig. 15. Fig. 26isasectional view throughline 26 26 of Fig. 1. Fig. 27 is a detail plan view of some of the partsforming the paperfeeding device; and Fig. 28, a device for cooperatingwith the lower stationary die to form a clamping or pressing device, aswill hereinafter be referred to. 1

To explain in detail, the main frame of the machine is formed with ahorizontally-arranged bed-plate A and two vertical parts or standards aand a upon which the several parts forming the machine are supported.

13 is a nonreciprocating die or anvil-block arranged horizontally withone end projecting the front of the frame, which projecting end formsthe working surface of the die or anvil upon which the box or blank isplaced and supported to be operated upon, as shown in Fig. This die oranvil-block, which, in the present instance shown, is formed with flatworking faces I) 1) upon its upper side ar ranged at right angles toeach other, as shown, is supported within seats or bearings located instuds a" and a projecting from the bedplate of the frame in a manner tobe movable longitudinally whereby its projecting end maybe moved agreater or less distance from the face of the frame to be adjusted forboxes of different depths, as will be described.

The anvil-block, as herein illustrated, is provided with a centrallongitudinal groove or recess 1) for the support and operation of areciprocating die as will hereinafter be described, which said groove,for convenience in construction and assembling of the parts, extends tothe front end of the anvil-block, and a block Z)", havingoblique facescoinciding with the working face of the anViLblock, is removably fittedinto the said groove 19 at the front end thereof and forms part of theanvil-block or die in operation. Such block may, however, be formedintegral with the anvil-block.

The anvil-block, as herein illustrated, is arranged to be adjustedlongitudinally in its bearings and setin a desired position by means ofa shaft cl, which is mounted to turn or retate in suitable hearings instuds (1 and (Z on the bed-plate of the frame and is provided with apinion d thereon, which meshes with a rack d on the under side of theanvil-block b to form connection with the latter. This shaft (1, asherein illustrated, is constructed for the detachable connectiontherewith of a key (1, as a convenient means by which it may beoperated, and is also arranged to be locked from movement to hold theanvil-block in a stationary position by means of a clamping-arm d on thestud (1. Any suitable means other than above deseribedlmay, however, beemployed for adjusting the position of the anvil-block without departingfrom the spirit of my invention.

(Z Fig. 1, is a yoke which engages with the anvil-block in seats (1",formed upon opposite sides thereof, as shown in Fig. at, and is providedwith a threaded stem cl", having connection with the bed-plate of thesupportingframe by means of a nut al in order to hold the anvil-blockfrom vertical movement and prevent its tipping forward when pressure isbrought to bear upon its front end in operation.

O is a reciprocating die for operating in combination with thenon-reciprocating die B to form the clamping or pressing device and isformed with a notch or recess 0, Fig. 7, in its under surface, forming aworking face to coact with the face I) b of the die 13. The said die O,in the present instance shown, is constructed and mounted in its carrier0 in the same manner as shown and described in Letters Patent No.442,792, dated December 16, 1890, the same consisting, in general, oftwo sections movably supported in the carrier and a rocking-support 0against which said sections have a bearing, as shown. The carrier c, inwhich the die 0 is seated, is mounted in suitable ways upon the face ofthe standard a, and maybe operated by any suitable means, the same beingoperated in the present instance shown from a rotating driving-shaft a,mounted in hearings in the standards a and a, through the medium of acrank-pin a carried at the end thereof, and a link a connecting saidcrank-pin with a pin a on a part of the slide, as will be described.

The movable die C is supported to coact with the non-reciprocating die Bwith a yielding or elastic pressure to conform to material or stock ofvaried thickness and also prevent jar or breakage to any of theconnecting parts, such movement or action being secured as follows: Ablock a is seated within an opening 0 in the slide 0 of somewhat greaterlength than the block to have a longitudinal movement therein and isconnected with a rod or stem 0 which is loosely seated in said slidewith one end having a serew threaded connection with the block 0 and itsopposite end projecting the upper end of the slide. This stem has aflange or collar 0 thereon, which, in the instance shown, is located ata point within an opening in the slide against which one end of a spring0 having its opposite end bearing against the slide 0, acts to hold theblock 0 toward the upper end of its seat or opening 0 in a position asshown in Fig. 7, and cause the slide with its die 0 to coact with thestationary die 13 with a yielding pressure, as described, when the blocka is carried or forced downward by its operating means, such means asherein shown being the connecting-link a and its driving mechanism.

The tension of the spring 0' may be regulated to adjust the pressureofthe upper die more or less, as required to properly fasten thestay-strip, by turning the stem 0 to ad.- just the position of theflange or collar thereon in its relation to the opposing bearingsurfaceof the spring on the frame. The stem is held stationary in its relationto the conneeting-block by a set-screw c.

E is a vertically-movable part or plunger arranged to operate at therear of the die (5 and is formed with a cutting edge e at its rear sideto act in conjunction with a stationary cutter F to sever the stay-stripat the proper point from'the continuous strip fed to the machine. Saidplunger is attached to a slide 9, which is mounted in a suitable guidein the standard a, and, as herein illustrated, is arranged at its upperend to engage with a cam a on the driving-shaft a by which it isoperated to act in combination with the several other coactin g partsfor securing the staystrip on the blank, as will hereinafter be morefully set forth. The slide (2 is provided with an antifriction-roll esupported thereon for engagement with its operating-cam, and is held inoperative contact with the latter by means of a spring 6 which, as shownin the drawings, is supported on a pin or'bolt e, attached to the rearside of the slide, with one end having a bearing on the frame at asshown in Fig. 2.

Any suitable mechanism for operating the plunger E other than as abovedescribed may be employed without departing from the spirit of myinvention.

The stationary cutter F (shown in detail in Fig. 17) is supported by aplate F in a posi tion above the line of the stationary die B and isformed with an opening f for the passage of the stay-strip, the lowerwall of which opening at its forward edge f forms the cutting edge withwhich the movable cutter E coacts. The plate F, which is removablyattached to the standard a and is provided, as shown in Figs. and 16,with ribs f f 2 on its face, between which the said stationary cutter Fis supported with its face in line with the rear surface of the plungerE, and said plate F is also provided with plates f f secured on the ribsf 2 f 2 having undercut sides at their inner edges forming guideways fin which the projecting sides of the plunger extend and move to guidethe latter. Said stationary cutter (see Figs. 3, 15, and is movablysupported on the plate F by means of a pin f projecting therefrom, andis rendered adjustable in its relation to the movable cutter by means ofpins f f which are loosely supported in the plate F with one end projecting, the latter in contact with the cutter F at or near the line ofits cutting edge, and their opposite end in position for engagement withan adjusting-plate f secured on the outer face of the plate F by meansof an adjusting-screw f By means of this adjusting-plate the said pinsmay be moved to adjust the cutter Fin its relation to the reciproeatingcutter to insure proper cooperation therewith and also take up for wearof the en gagin g parts.

In operation the upper end of the cutter F tilts slightly backward onthe pins f f when the movable cutter is above the latter, thus allowingfree and easy movement of said movable cutter, and is moved or tiltedforward in close contact with the movable cutter as the latter movesover said bearing-pins and the cutting edges coact with each other.

f", as more clearly shown in Fig. 15, represents a projection on theface of the plate F termed the stripper, which projects within theopening in the station ary cutter-plate over its cutting edge and isformed with a V-shaped depression in its lower edge slightly above theedge of the cutter to engage with and prevent the end of the continuousstrip from being drawn upward from position over the cutting edge on thereturn upward throw of the movable cutter.

The non-reciprocating die B is adjusted to support the box thereon withits inner edge in a line with the front face of the plunger E, as shownin Fig. 3, and the latter having its cutting edge at the rear sidethereof, as described, severs the stay orjointing strips from thecontinuous strip, of a length equal to the width of the plunger, greaterthan the length fed between the clamping-dies for location on the outermargin of the box sides, which additional length projects beyond theinner edge of the box and is forced below the inner edge of the box bythe continued downward movement of the plunger E, which latter for thispurpose is termed the tucker, into a position to be engagedby ahorizontally-moving plunger or die G termed the turn-in device, andcarried inside the box to be pressed against its inner margins by thepressure of the movable die 0, as will hereinafter be described.

g is a horizontally-movable plate which, like the plunger G, issupported to slide in the anvil-block B and formed with a working facecorresponding with the die B, as shown. The plate gin the presentinstance and as more clearly shown in Figs. 3 and 5, is attached at oneend of .a rod g, which extends loosely through the plunger G with itsrear end in contact with an adjustable stop 9 to hold said plate g inits normal position just forward of the path of the tucker E and in aposition to support or hold up the inner edge of the box as shown inFig. 3, in order to prevent its being turned or bent down below the lineof the turn-in device by the tucker E on its downward movement to bendor tuck down the loose end of the stay-strip, as before described. Thisplate g is also operated to remain stationary, or nearly so, to supportthe end of the box until the turn-in G has moved forward in closeproximity thereto and serves as a guide to insure the free andunobstructed entrance of said turn-in beneath the corners of the box.Such movement or operation of the plate g is secured by a spring 9having its opposing bearings on the turn-in G and on a collar or flangeg on the rod g, as shown in Fig. 5, which expands and serves to hold therod g stationary, or nearly so, while the turnin is being moved forwardin close position to said plate g, as described, at which time a secondand lighter spring 9 located between the plate 9 and turn-in Gorconnecting bearings, is sufficiently compressed to move the plate gforward with the turn-in. This spring 9 also serves as a cushion againstwhich the turn-in acts when the plate 9 comes in contact with thestationary block or die B and serves to prevent any undue jar orbreakageof parts.

The vertically-movable plate Zr at the for ward end of the stationarydie B is yieldingly held or supported by a spring b in a normal positionwith its upper edge slightly above the working faces of said stationarydie in order to hold the box corners or sides above the latter and theline of the faces of the turnin G to insure the free passage of theplunger beneath the sides of said box, and is also adapted to act inconjunction with the upper die C to support the box and hold the severedstay-strip in position thereon to prevent its being drawn forward andinto the box when its loose end is carriedtherein by the turn-in G, asfollows:

The upper die 0 is arranged to have a certain amount of lost motion inrelation to its connecting driving-link a through the me dium of theelongated opening in the latter at its point of connection with the pinor stud on the vertical slide carrying said die 0, wherebythe latterwhen it first contacts with the end of the projecting plate b or withthe sides of an interposed box and the stay-strip thereon, may onlyengage therewith with a pressure equal to its own weight and notsufficient to lower said projecting plate to hold the box and stay-stripin position while the tucker E descends to press down the loose orprojecting end of the latter and the turn-in G moves forward to carrysaid end against the inner margins of the box. At this time the lostmotion between the upper movable die and its connecting-link is taken upand the pressure brought to bear upon the former so that it may coactwith the faces of the lower die and the turn-in G, which latter iswithin the box at this time, to clamp or press the staystrip upon theopposite margins of the box.

The tucker E on its downstroke only moves across the edge of the box adistance equal to the thickness of the latter, (which is sufficient toturn the loose end of the stay-strip down the proper distance,) and notbelow the line of the faces of the turn-in device, thus preventing anyliability of being struck by the latter in its forward movement. Thetucker E is also provided with a centrally-arranged groove or notch e inits forward face and at the lower edge thereof, which is arranged at anangle, as more clearly shown in Figs. 3 and 23, and is adapted to takeup or receive the rib 2" formed at the center or apex of the loose orprojecting end of the staystrip when the sides 2' of the same are turneddownward and necessarily toward each other by reason of their obliqueposition, as clearly shown in Fig. 24, and the turn in G is alsoprovided with a centrally-arranged curved guide-groove g in its frontface,which is adapted to receive the end of the rib t" taken up by thenotch in the tucker and guide or turn the same under the box-corner withthe sides of the stay-strip. By this construction for handling the ribformed at the center of the loose end of the stay-strip when the same isturned down and carried beneath the box-corner the said end is locatedsmoothly against the inner margins of the box, and all liability ofbreaking or wrinkling the paper, as would occur if not thus providedfor, is obviated.

The turn-in device G and connecting parts may be operated by anysuitable means to act in unison with the several coacting parts in theoperation of securing the stay-strip upon box-corners, as described, themeans, as herein shown, consisting of a lever II, which is pivoted atone end upon the supporting-frame at h, and at its opposite end connectswith an arm or part 9 of the plunger G, said lever being provided withan antifriction-roll 71 secured thereto, which is held in operativecontact with a cam 011 the driving-shaft, from which the lever isoperated, by a spring 7L2.

The continuous strip of paper or other ma terial to be fed to themachine for staying boxcorners is carried upon a reel I, which issupported by an arm I attached to the machine.

The stay-strip after leaving the reel is first passed through a folderJ, which acts upon the strip to double and fold the same at its center,so that it will take and maintain a V shape to conform to the box-cornerwhen it is fed over the latter between the clamping dies.

K is a pasting-roller, the periphery of which is made V-shaped to fitwithin the increased lower surface of the strip, and K is a presserrollfor holding the strip in contact with the said pasting-roll. V

L is a scraper located forward of the pasting-roller, through which thestrip 2' passes to have the superfluous glue or other adhesive materialremoved therefrom.

The strip '2? is fed forward over a suitable guide M to theclamping-dies, after leaving the device L, by a suitable feeding devicewhich operates to give intermittent forward movement to the strip,whereby the end of the latter is fed forward between the clamping-diesand over the margin of the box sides located on the stationary die, andremains immovable while the jointing-strip to be attached to the box isbeing severed from the continuous strip and secured upon the outer andinner margins of the box-corner in a manner as described.

A device or mechanism of any suitable construction may be employed forthus feeding and guiding the stay-strip t', a simple and convenientmeans, as herein illustrated, consisting of a reciprocating grippingdevice, which operates to engage and carry forward the paper strip inits forward movement and becomes released from the strip at the limit ofits forward throw, so as to move backwardly without producing anycorresponding movement in the strip, the several parts of such grippingdevice, and the means for guiding the strip to the same and from saidfeeding device to the clamping-dies being as follows:

M, Fig. 1, is a guide-plate upon which the main operative parts of thefeedingdevice are supported, provided with a vertical flange M at oneside thereof having a longitudinal guide-slot m in which the grippingand carryin g device is held and guided. The said gripping devicecomprises a sliding plate m, arranged vertically against the flange M,and held in place by means of a plate or piece 071*, located at theopposite or exterior face of said flange M and connected with the platem through the guide-slot m, as more clearly shown in Fig. 26.

m is the lower jaw of the gripping device, the same being arrangedcentrally beneath the path of the stay-strip and provided with a sharpor narrow bearing edge m to engage the inner surface of the strip in thecenter or crease of the same. This jaw m is connected with and operatedby the sliding plate m.

m is the upper or movable jaw of the gripping device,which is arrangedabove the lower jaw and made vertically movable, so that it may beeither engaged with or lifted free from the lower jaw. Said movable jawis mounted upon a pivot-pin m projecting from the sliding plate m in aposition to overhang the path of the stay-strip. I

As herein illustrated, the sliding plate m and the gripping-jaws carriedthereby are driven by operating mechanism engaging with the movable jawm alone, such mechanism, in the present instance shown, consisting of apivoted lever m which is operated by a cam or eccentric m on thedrivingshaft a and connected with an arm or part m of the gripper-jaw mthrough the medium of a connecting-link m. Said lever m is held inoperative contact with the cam 'm by a spring m The gripping devicebeing thus operated I provide frictional engagement between the slidingplate m and its guide-plate, tending to retard the movement of theplate, so that when pressure is applied to the upper end of the'gripper-jaw m in a direction to carry the said upper end of the armforward, the gripper-jaw will first be'depressed, after which acontinued forward pressure upon the end of its arm will carry thesliding plate and gripping jaws bodily forward. Likewise when thepressure is applied to the arm of the movable jaw m to move the samebackwardly, the jaws will first be opened and the entire gripping devicebe then moved bodily backward. Any suitable means may be employed forproducing such frictional engagement between the sliding plate m and itsguide-plate. The means employed, as herein shown, (see Fig. 27,)comprises a fiat spring m which bears at its center against the plate mand two screws or pins m", which extend loosely through said plate m andhave screw-threaded engagement with the plate m, whereby the spring maybe caused to hold the plates m and m in contact with the opposite sidesof the plate M with more or less pressure, as may be desired.

In applying the j oiuting-strips upon the corners of boxes of differentsizes it is desirable that the distance to which the strip is fedforward past the cutting or severing device at each advance movement ofthe feeding device should be capable of variation, in order that thelength of the strip used upon the box may correspond with the depth ofthe same. In connection with the stationary die or anvil-block, which isadjustable to afford a greater or less distance between the end of thesame and the cutting mechanism, as hereinbefore described, I haveprovided a connecting mechanism between such movable anvil-block and thefeeding-device-actuating mechanism, whereby the movement of the block acertain distance will produce a correspondin g change in the throw ofthe grippingjaws, whereby the length of the strip fed at eachreciprocation of the feeding-jaws will correspond with the length of theexposed part of the anvil-block and the joint to be made. The means asherein illustrated for securing such connection consists of a lever 0,which is pivoted upon the frame at 0, with one end connecting with theanvil-block to be moved thereby and its opposite end extending in aposition to be engaged by the feed-operating lever or part thereof atthe limit of its backward throw and form a stop for the same;

By this arrangement of parts, when the anvil-block is moved outwardly,the upper end of the lever 0 is thrown backward and allows acorrespondingly greater backward throw to the feed-operatin g lever mand consequently a greater movement to the gripping jaw. WVhen, on thecontrary, the anvil-block is moved inwardly, the upper end of the lever0 is thrown forward and limits the throw of the feed-lever m accordinglyto decrease the distance at which the stay-strip is fed forward at eachaction of the feeding device.

An ad j Listing-screw 0 is supported by the lever m with one end inposition to be engaged by the lever 0 and forms an adjusting mediumbetween said parts, whereby the throw of the feeding device may have anadjustment independent of the automatic adjustment secured by itsconnection with the anvil-block, as described, in order to be regulatedfor. any desired length of stay-strip regardless of the depth of the boXoperated upon, and also to take up for wear of the parts.

A further adjustment of the feeding device is secured by locating anadjusting-screw m in an arm or extension m of the sliding plate m at apoint to engage the arm of the movable gripping-jaw 'm and regulate thevertical or upward movement of its Working face or end to conform tostay-strips of different thickness. By such adjustment of the movablegripping-jaw it may also be made to bite or engage the strip sooner orlater at the beginning of its forward movement, and consequentlyregulate the lengthof strip fed forward, as will be readily understood.

Any suitable means may be employed for guiding the stay-strip from thescraper L to IIO the gripping-jaws and from the latter to theclamping-dies, a simple and convenient construction for such purpose, asherein illustrated, consisting of a longitudinal guide-bar p, which isarranged in line with the center of the stay-strip and with its upperand guiding surface in approximately the same horizontal plane as theworking face of the lower gripping-jawm and in position to engage theunder surface of the stay-strip at a point within the seam or creasethereof. This guide-strip, which is supported at each end upon theguideplate M in the position described, serves to guide the strip andhold the same in proper position with relation to the gripping-jaws toprevent an undue bending or twisting of the strip when the same isengaged by and between the said jaws.

The folder J, through which the stay-strip is passed to be folded andtake a V shape, as and for the purpose hereinbefore described, consistsof two vertically-arranged plates or jaws jj, between which thestay-strip is passed to be creased,which are supported upon a stationaryplate j in a manner to be adjusted in their relation to each otheraccording to the thickness of the material forming the stay-strip, andalso for the purpose of producing a crease of more or less sharpness, asmay be required in material of different kinds. Both of saidcreasing-jaws, as more clearly shown in Fig. 11, are carried by plates jj which are arranged to slide on the plate j and are provided with lugsjfi on their under side, having screwthreaded openings therein toreceive a threaded stem j",by means of which the creasing jaws areadjusted. This said stem 7' is centrally mounted to turn or rotate in asuitable bearing in a lug 011 the under side of the supporting-plate jand is formed with a right and left hand screwthread at opposite sidesof its bearing for engaging with the'lugsj", whereby the ereasing-jawsmay be moved to and from each other by a single operating-stem, asdescribed. The latter is provided with a knob j, as a convenient meansby which it may be operated.

The plate 7' is provided with an upturned flange at one end thereof,having a guideopeningj through which the strip is entered, and with sidewallsj j arranged at some dis tance apart at their rear ends, butbrought closer together at their forward ends, so as to gradually bringtogether the margins of the strip and guide the same in a foldedposition between the creasing-jawsj j.

The folder J (see Fig. 1) is supported 01] a vertically-adjustableholder or support 7 whereby it may be adjusted, according to the widthof stay-strip being used, so as to bring the upper edge of the foldedstay-strip in line with the top of the paste-wheel and secure a uniformline of travel for the same. Said holder j is supported on a stud j onthe bed-plate II, and is adjustable thereon, in the present instanceshown, by means of an elongated opening j located therein. and asetscrew 7' ,which engages with said holder and extends through theopening therein into engagement with the stud 7' A guide-plate j isadjustably supported in a position above the guiding-wallsj j at therear of the creasing-jaws jj, in order to engage the upper edge or foldof the stay-strip and hold both lower edges against the plate j toinsure the folding of the strip at its center as it is passed betweenthe jaws j j. Said guide-plate j is supported in a vertically movableposition on a threaded post 7 10- cated on the plate j, and is movablyheld in its said position above the guide-walls j j by means of a spring3, which is supported on said post with one end bearing against theplate j and its opposite end against an adjusting-screwj, which latteris also located on the postj and by means of which the tension of thespring on the guide-plate is regulated. Such adjustment of theguideplate j is necessary to allow for different widths of stay-strips.

The presser-roll K, supported above the paste-roll K, is carried by anarm extending from a block or collar 7t", which latter is supported 011a post or standard 7; in a manner to rotate and be vertically movablethereon, whereby the roll may be adjusted to bear with more or lesspressure on the pasting-roll, according to the thickness of thestay-strip, and also be removable from its position over said pasting-roll to allow for the ready placing of the stay-strip thereon when thelatter is first placed on or through the several parts from the rollpreparatory to using the machine. The presser-roll is held in yieldingcontact with the pasting-roll to be self-adjusted to material ofdifferent thickness, and also to any irregularities in the same, bymeans of a spring 73, which is supported on the post with one end havinga bearing against the block 7,: and its opposite end bearing against anad justin g-screw 70 located on said post, the latter being threadedpart way of its length for the operation of said adj usting-screw. Thetension of said spring upon the block 7; to cause the presser-roll tobear with more or less pressure upon the pastingroll is regulated by thead justing-screw 7:), as will be obvious.

The presser-roll is movably locked from rotary movement in a horizontalplane by means of a pin 713 on the post 76', which is adapted to bereceived in a slot or opening 70 located in the lower edge of the blockor collar It, as more clearly shown in Fig. 1.3. In order to move thepresser-roll from above the paste-roll, the collar 7a is simply raisedfrom connection with said pin 7;? and is then free to be turned asdesired.

S, Figs. 1 and 13, is a scraper adapted for removing the superfluousadhesive material from the paste-wheel before reaching the staystrip andregulate the quantityto be placed on the latter.

The scraper L, hereinbefore referred to, is

more particularly adapted to spread the adhesive material uniformly uponthe stay-strip after passing over the paste-roll and also remove thesuperfluous material therefrom. This device consists of two plates Z andZ, which are supported one above the other on a post or rod Z projectingfrom the tank or receptacle Z and are formed to present a V shapedopening between their adjacent faces to receive the stay-strip, which isfed to the same in such form. One of said plates is adjustable in itsrelation to the other, in order to vary the space between the same fordifferent thickness of stay-strip, by means of an adjusting-screw Z,which, in the present instance shown, is supported in a verticallystationary position on an arm Z of the post Z with its threaded end inengagement with an arm or part Z of the plate Z to move the lattervertically and adjust the same.

The adjacent edges of the plates Z and Z are constructed to be movable,one past the other, in a manner as clearly shown in Fig. 14, whichrepresents a vertical section through said plates, whereby they may beregulated to remove more or less of the adhesive material from thestay-strip without liability of tearing or otherwise damaging thelatter, as might be caused if the strip-engaging surfaces werearranged'to move in the same line to or from each other and thereby beliable to pinch or bite said strip between the same.

The scraper L, as herein shown, is detachably supported on the tank Zits supportingpost being seated within a suitable socket or seat Z atone side of said tank, as it is obvious that when a previously-preparedgummed strip is used such scraper is not necessary, and therefore it isdesirable tohave the same removable from the path of said strip.

Referring to Fig. 28, I have shown the carrier 0 provided with asomewhat different form of device or means for cooperating with thelower stationary die B in lieu of the die 0, as hereinbefore described.This device consists of two pivoted levers it, which in the presentinstance shown are centrally pivoted upon the carrier 0' and supportedwith their .lower ends, which are preferably provided with rollers t t,in a normal close position to each other by means of a spring 25 actingupon their opposite ends. In operation, and upon the descent of thecarrier 0, the lower end of these levers or the rollers carried therebyengage with the die B at or adjacent to its point or angle and move uponthe opposite angular faces of the same to press a stay-strip upon thecorners of an interposed box, or perform such other operation for whichthe machine may be used. The particular arrangement of the several partsas described may be modified more or less, however, and be within thescope of my invention, the essential feature of which is two movablearms or levers arranged to coact with the opposite angular faces of thedie B with a yielding pressure.

The machine herein shown is arranged to be operated by power, the samebeing provided with a belt-wheel R on the drivingshaft, although it isobvious that the same may be arranged to be actuated by a foot-lever orother convenient means.

Having thus set forth my invention and illustrated the same in onepractical form, it will be obvious that the machine shown may be more orless modified as to the various details of construction and arrangementof the parts, and certain features be entirely omitted, withoutdeparting from the spirit of my invention.

By arranging the pressure means (the spring) above the lever pivot orpivots-that is to say, on the opposite side of the pivots from thepressure-rollers or operative lever endsI give a greater range ofmovement to the levers, may correspondingly shorten the latter, and mayalso place the pressure means at any desired distance from said pivotswith corresponding increase of the pressing force. In the constructionillustrated this is accomplished by forming the levers withupwardlyextending arms and applying a spring between the latter.

Having thus set forth my invention, what I claim as new, and desire tosecure by Letters Patent of the United States, is

1. A machine for the purpose described, comprising opposing clam pingdies or devices, a movable plunger constructed to operate in conjunctionwith a cutting edge to sever the stay-strip, and move the end of thesame below the edge of the box, and means for locating said turned-downend of the stay-strip against the inner wall or corner of said box,substantially as described and for the purpose set forth.

2. A machine for the purpose described, comprising opposing clampingdies or devices, means for guiding a stay or fastening strip to andbetween said clamping-dies over an interposed box, a movable plungerconstructed to operate in conjunction with a cutting edge to sever thestay-strip, and move the end of the same below the edge of the boX, andmeans for locating said turn ed-down end of the staystrip against theinner wall or corner of said box, substantially as described and for thepurpose set forth.

3. A machine for the purpose described, comprising opposing clampingdies or devices constructed to cooperate in pressing an adhesivestay-strip upon an interposed box-corner, means for guiding thestay-strip to and between said dies over the box-corner, a movableplunger constructed to sever the staystrip and bend the end downwardly,and a reciprocating die or plungerfor engaging with and locating saidendagainst the inside of the box-corner, substantially as described.

l. The combination with a stationary die or block, of a reciprocatingdie supported and guided thereon, a movable die or device constructed tocooperate with said reciprocating die, a movable plunger or tuckeroperated to bend downwardly the loose or projecting end of thestay-strip into position to be engaged by said reciprocating die, and asecond reciprocating die located and operating on said stationary die orblock within the inner edge of a supported box, substantially asdescribed.

5. The combination with a movable die or device and a reciprocating dieoperating at right angles and constructed to coact with each other inpressing an adhesive fasteningstrip upon an interposed box-corner, of amovable plunger operated to bend downwardly the loose or projecting endof the fastening-strip into the path of said reciprocating plunger, anda second reciprocating die having working faces corresponding with theformer and arranged to be movable inside or beneath the box-corner,substantially as described.

6. The combination with a movable die or device and a reciprocating dieconstructed to coact with each other in pressing an adhesive stay-stripupon the corner or joint of an in terposed box, of a movable plungeroperated to bend downwardly the loose or projecting end of thestay-strip into the path of said reciprocating die to be engagedthereby, and a second reciprocating die having workin g facescorresponding with those of the former and operated thereby inside ofthe box-corner, substantially as described.

7. The combination with a stationary die or block having a groove orrecess therein, and a reciprocating die orturn-in device supported insaid groove or recess, of a movable die or device constructed to coactwith said reciprocating die, means for bending the loose or projectingend of the stay-strip into position to be engaged by said reciprocatingdie, a second reciprocating die located forward of the latter with itsworking face in line therewith, and a spring interposed between saidreciprocating dies, substantially as described.

8. The combination with a movable die or device and a reciprocating dieoperating at an angle to each other and constructed to coact, ofayieldingly-supported plate or die arranged to coact with said movabledie to movably support an interposed box-corner above the line of theworking face of the reciprocating die, substantially as described.

9. The combination with a movable die or device and a reciprocating dieoperating at right angles to each other and constructed to coact, of amovably-supported plate or device projecting above the line of theworking face of said reciprocating die and in the path of the movabledie, substantially as described.

10. The combination with a stationary die or anvil-block, and a movabledie or device constructed to coact with each other, of a reciprocatingdie having a working face constructed t-o coact with said movable die,and a movably-supported plate projecting above the line of the workingface of said reciprocating die and in the path of the movable die,substantially as described.

11. The combination with a stationary die or anvil-block, and a movabledie and a reciprocating die or device constructed to coact with eachother, of a movable plunger or tucker operated to bend the projectingend of the stay-strip into position to be caught or engaged by saidreciprocating die, and a movably-supported plate or die projecting abovethe line of the working face of said reciprocating die and in positionto coact with the movable die, substantially as described.

12. The combination with opposing clamping dies or devices, and meansfor guiding a stay-strip between said dies, of a movable plunger ortucker and a reciprocating die or turn-in device, each having divergingworking faces and provided with a notch or recess at or adjacent totheir point of angle; the tucker being operated to engage and benddownwardly a projecting angular end of the stay-strip into position tobe engaged by said reciprocating die or.turn-in device, substantially asdescribed.

13. The combination with opposing clamping dies or devices constructedto coact with each other, of a movable plunger or tucker and areciprocating die or turn-in device provided with angular working facesand having a groove or guideway at or adjacent to their point of angle,said tucker and turn-in device being operated to coact so as to directand carry inside the box-corner a projecting end of the stay-strip,substantially as described.

14. The combination with opposing clamping dies or devices constructedto coact-with each other, and a folder or creasing device operating tofold or crease longitudinally a stay-strip, of a movable plunger ortucker and a reciprocating turn-in device provided. with angular workingfaces and having a groove or guideway at or adjacent to their point ofangle, said tuckerand turn-in device being operated to coact so as todirect and carry inside the box-corner a projecting end of thestay-strip, substantially as described.

15. The combination with opposing clamping dies or devices, of areciprocating plunger having a cutting edge and a non-reciprocatingplate having a cutting edge construct-ed to coact with the former, saidnonreciprocating plate being inovably supported with relation to thereciprocating plunger on an adjustable pivotal bearing, substantially asdescribed.

16. The combination with opposing clamping dies or devices, of areciprocating plunger having a cutting edge and a non-reciprocating'plate having a cutting edge c011- structed to coact with the former,said nonreciprocating plate being movably supported with relation to thereciprocating plunger on a pivotal bearing, substantially as described.

17. A tucker, consisting of a plate provided with a V-shaped openinghaving flat faces arranged at an angle to each other and a groove orguideway at its point of angle, substantially as described and for thepurpose set forth.

18. The combination of an anvil-block or die adjustably supported uponthe machineframe, an opposing movable die or device, a cutting device, afeeding device operated by a pivoted vibrating lever, and a pivotedlever having connection at one end with said anvilblock to be movedthereby, and at its opposite end extending in a position to engage withthe feed-device-operating lever or part thereof, substantially asdescribed.

19. The combination of an anvil-block or die adjustably supported uponthe machineframe, an opposing movable die or device, a cutting devicefor severing the stay-strip, a feeding device for the stay stripoperated by a pivoted vibrating lever, a pivoted lever having connectionat one end with said anvilblock to be moved thereby, and at its oppositeend extending in a position to engage with said vibrating lever, and anadjusting medium between said pivoted lever and thefeed-device-operating lever, substantially as described.

20. The combination of an anvil-block or die and an opposing movabledie, said anvilblock being movable on the machine-frame, a feedingmechanism for feeding a stay-strip between said opposing dies, anoperative connection between said anvil-block and feeding mechanismwhereby the feed of the latter is regulated by the shifting of theanvil-block, and means for shifting the anvil, embracing a rotatingshaft having a rack-and-pinion connection with the anvil and a frictiondevice for locking said shaft from movement, substantially as described.

21. A scraper, comprising a supporting-post having a stationary part anda movable part supported thereon one above the other, with the workingface or edge of one movable past the other, and an adjusting-screwsupported by an arm or part of said post and engaging with said movablepart or scraper to adjust the same in its relation to the other,substantially as described.

22. The combination with a paste or dampening roll, of a presser-rollarranged to coact with said paste-roll, and means for supporting thesame in a vertically and horizontally movable position in relationthereto, embracing a supporting-post, a block or collar, to which thepresser-roll is connected, supported to slide and rotate on said post,and means for acting on said collar with an adjustable yieldingpressure, substantially as described.

23. The combination with a paste or clampenin g roll, of a presser-rollarranged to coact therewith, and means for movably supportin g the same,embracing a supporting-post, a block or collar, to which thepresser-roll is connected, supported to slide and rotate on said post,and means for locking said collar from rotary movement, substantially asdescribed.

24. In combination with a die having angular working faces, a movablecarrier supporting a device adapted to coact with said die, said deviceconsisting of two pivoted levers arranged to act at one end withyielding pressure upon the opposite angular faces of said die, and meansfor producing such yielding pressure of the levers situated above thepivot or pivots of the levers, substantially as described and for thepurpose set forth.

25. A folder or creasing device, consisting of a supporting and guideplate provided with creasing-j aws adj ustably supported thereon and intheir relation to each other, and a vertically adjustable guide platesupported above said supporting-plate, substantially as described.

26. A folder or creasing device, consisting of a supporting-plateprovided with guidewalls, and a vertically-adjustable plate or guidesupported above the way between said guide-walls, substantially asdescribed.

27. The combination with a stationary die or block, of a movable die ordevice constructed and supported to cooperate with said stationary diewith an elastic or yielding pressure, the said movable die beingprovided with a block movably supported thereby having an adjustably-connected rod or stem provided with a bearing-surface thereon,and a spring bearing at its opposite ends against a bearing on themovable die and the bearing on said rod or stem, respectively, the saidblock being adapted for connection with the mechanism for reciprocatingthe movable die, substantially as described and for the purpose setforth.

28. In combination with a die having angular working faces, a movablecarrier supporting a device adapted to coact with said die, consistingof two pivoted levers which are arranged to act with a yielding pressureupon the opposite angular faces of said die, arms extending above thepivot or pivots of the levers, and means for acting upon said arms so asto cause such yielding pressure of the operative ends of the levers,substantially as described and for the purpose set forth.

29. A folding and creasing device, consistin g of a supporting-plateprovided with guidewalls forming a converging channel way, creasing-jawssupported at one end of said channel-way and in an adjustable positionwith relation to each other, and a verticallyadjustable guidep1atesupported above the Way between said guide-Walls, substantially asdescribed.

30. A folder or creasing device, consisting of a supporting-plate, tWocreasing-jaws supported to be adjustable thereon with relation to eachother, an adjusting rod or stem having a right and left handscrew-thread engaging with said creasing-jaws to move the same, and avertically-adjustable guide-plate sup- IO ported above saidsupporting-plate, substantially as described.

MARK D. KNOVLTON. \Vitnesscs CHAS. F. DANE, A. L. IIAYES.

